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EP3228895A1 - Sicherheitskupplung - Google Patents

Sicherheitskupplung Download PDF

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Publication number
EP3228895A1
EP3228895A1 EP16164187.3A EP16164187A EP3228895A1 EP 3228895 A1 EP3228895 A1 EP 3228895A1 EP 16164187 A EP16164187 A EP 16164187A EP 3228895 A1 EP3228895 A1 EP 3228895A1
Authority
EP
European Patent Office
Prior art keywords
torque limiting
coupling
limiting coupling
control unit
input side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16164187.3A
Other languages
English (en)
French (fr)
Inventor
Andreas Mehlich
Hakan Westberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Priority to EP16164187.3A priority Critical patent/EP3228895A1/de
Priority to CN201780020438.8A priority patent/CN108884884A/zh
Priority to US16/092,269 priority patent/US20190203781A1/en
Priority to JP2018552772A priority patent/JP2019510948A/ja
Priority to PCT/EP2017/058096 priority patent/WO2017174651A1/en
Priority to EP17714817.8A priority patent/EP3440371B1/de
Publication of EP3228895A1 publication Critical patent/EP3228895A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/064—Control of electrically or electromagnetically actuated clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/304—Signal inputs from the clutch
    • F16D2500/30406—Clutch slip
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/304—Signal inputs from the clutch
    • F16D2500/30408—Relative rotational position of the input and output parts, e.g. for facilitating positive clutch engagement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/304—Signal inputs from the clutch
    • F16D2500/3041—Signal inputs from the clutch from the input shaft
    • F16D2500/30415—Speed of the input shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/304—Signal inputs from the clutch
    • F16D2500/3042—Signal inputs from the clutch from the output shaft
    • F16D2500/30426—Speed of the output shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/305—Signal inputs from the clutch cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/502—Relating the clutch
    • F16D2500/50287—Torque control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70422—Clutch parameters
    • F16D2500/70438—From the output shaft
    • F16D2500/7044—Output shaft torque

Definitions

  • the present invention relates to a safety coupling.
  • the safety coupling is used to connect of a first rotatable shaft with a second rotatable shaft.
  • the first rotatable shaft can be driven by a power unit also named motor.
  • the second shaft is connected with a load. In an overload situation the connection of the first shaft and the second shaft is slipping or disconnected.
  • a slip monitoring of a safety coupling is disclosed on page 28.
  • the slip monitoring is available for monitoring the operation of the safety coupling. It operates on the basis of differential speed detection. In addition to continuous monitoring, it provides information on changes in the operating state. An alarm is issued directly after release of the safety coupling due to an overload. If this is coupled appropriately to the machine control, it can also trigger other devices such as automatic cut-off. This signifies additional protection of machines and systems.
  • the slip monitoring continuously checks the rotary pulses on both sides of the safety coupling by the use of sensors. During normal operation, the input drive side and output drive side constantly supply completely synchronous values. If a speed difference should occur, the timing sequence of the two pulses also inevitably changes.
  • Sensors are used for detecting pulses triggered by bores, webs, screw heads or interruptions in the surface. Using bores, screw heads, webs or interruptions the number of the markings is limited and are normally in the range of one or two per full circle. Scanning can take place radially or axially. However, it is important to ensure that identical markings of identical quantity are distributed on the circumference on either sides of the safety coupling. Only this will ensure synchronous control.
  • the unit's principle of operation can be recognized easily by analysis of the pulse diagram delivered by the sensors. Due to its conception, this unit is equally suitable for monitoring friction couplings as well as safety couplings with shearing elements.
  • Torque limiting couplings are also named safety coupling.
  • the SmartSet safety coupling allows slipping over a predetermined range before the SmartSet is disengaged.
  • the SmartSet comprises a mechanical release protection.
  • the maximum of a possible continuously slipping event is limited to less than one full turn of the SmartSet coupling. So the slipping range is limited because of mechanical limitations.
  • the safety coupling can be heated up. The number of slip events and a heating up of the safety coupling effects the life time of the safety coupling.
  • Friction couplings are also named friction clutches.
  • an encoder comprising at least 30 markings it is possible to detect slip events more accurately.
  • the encoder comprises at least 40 markings.
  • At least a revolution counter marking is peocided for identification of full turns and for determination of the angle position.
  • a counter marking it is possible to determine full turns in a fast and easy way.
  • the input side and the output side comprises an revolution counter marking it is possible to determine the angle position of the input side and the output side separately. Further it is possible to determine the angle position of the input side and to determine the angle position of the output side.
  • a slip in the torque limiting coupling can be determined in an easy way.
  • At least one of the used sensors is able to detect at least 5000 markings/signals, preferably 10000 markings/signals per second. In some embodiments and use cases it is preferred to use at least one sensor which is able to detect at least 15000 markings/signals per second.
  • the revolution counter marking is integrated into at least one of the sensors.
  • the first sensor comprises an encoder and a first detector for reading out the encoder.
  • the first encoder comprises an irregularity.
  • the irregularity is designed to be definitely.
  • the encoder comprises impulse markings, wherein the impulse markings are arranged with regular distances there between.
  • one of the impulse markings is missing.
  • the gap in the chain of detected impulses could not be a result of change in speed in such short time intervals because of the mass inertia of the driveline or the input part or output part of the driveline. So the gap is a unique marking.
  • an additional input side sensor is provided for at least determination of the direction of the rotation and/or on the output side an additional output side sensor is provided for at least determination of the direction of the rotation.
  • a toothed wheel is arranged on the input side as the first encoder and the additional sensor comprises a further encoder also arranged on the input side.
  • the markings of the further encoder on the input side is arranged phase shifted to the markings of the first encoder on the input side, wherein by detecting the markings of the first encoder and the markings of the further encoder on the input side, by the sequence of the detected markings of the first and further encoder, the direction of movement is known.
  • a preferred phase shift is 90°.
  • the revolution marking can also be part of the further encoder instead of the first encoder. It is also possible to use the encoder of the first sensor and/or second sensor for the as encoder of the additional sensor of that side.
  • the detector of the additional sensor of the respectively side is arranged with a phase shift in respect to the first/second sensor. By such an embodiment the angle of the input side is detectable in an easy way with high resolution.
  • At least one of the encoders of the sensors of the input side are torque proof arranged on the input side of the torque limiting coupling and/or at least one of the encoders of the sensors of the output side are torque proof arranged on the output side of the torque limiting coupling. So a very compact torque limiting coupling is provided. It is further possible to arrange the sensors, detectors and/or encoders in a radial or axial direction. So available space can be used and the torque limiting coupling can be very compact.
  • the sensors are further possible to arrange the sensors on the input shaft of the driveline or on the output shaft of the driveline. It is also possible to arrange one of the sensors on the torque limiting coupling and the further sensor on the input shaft and/or output shaft.
  • a control unit is assigned to the torque limiting coupling for determination of overload event, especially slipping events, of the torque limiting coupling.
  • a release mechanism can be triggered by the control unit.
  • the release mechanism can be part of the torque limiting coupling to initiate a disengagement of the torque liming coupling.
  • a further coupling element as an release mechanism is arranged for a disconnection between the power unit and the load.
  • the release mechanism can be an electronic device for arrangement of a disconnection of the torque limiting coupling, for example the torque limiting coupling comprises a pressure chamber to provide a predetermined torque to be transferred by the torque limiting coupling, wherein the transferrable torque is adjustable by the pressure in the pressure chamber.
  • the shear-off device can be sheared of by an electro mechanical device.
  • the release mechanism can be an internal release mechanism, part of the torque limiting coupling or an external release mechanism, for example a solenoid or an extractor bolt.
  • control unit is assigned to the torque limiting coupling for determination of overload event of the torque limiting coupling.
  • the control unit comprises at least an emitter, also named transmitter, for sending out data and/or trigger signals.
  • control unit comprises a data storage unit, also named event log, for storing of the slip history, alarms, out of allowed range signals preferably comprising time and date information.
  • an accumulation of the determined slip angles is provided for determination of service intervals and/or for dynamic determination of an acceptable slip.
  • a release is activated by the release mechanism and/or an information/trigger is sent out.
  • a small slip event is in the range up to 10° preferably up to 5° and more preferable up to 3°.
  • the torque limiting coupling comprises a cooling system, wherein the cooling is taken under account in calculating an allowed overload.
  • Driveline comprising a power unit, a load and an embodiment of a torque limiting coupling as described before.
  • a load control unit is assigned to the load for controlling the load and a control unit is assigned to the power unit.
  • the load is controllable under respect of data of the control unit and or the power unit is controllable under respect of the data of the control unit.
  • a data transfer between the load control unit and the control unit and/or between the power control unit and the control unit can be arranged wired or wireless.
  • the power unit can be adjusted before a release mechanism have to be activated. Thereby shut down times of the driveline are reducible. Further it is possible to analyze the effect of fluctuations form the load side. It is possible to optimize the output of the load based on the measured slip. Especially if the driveline is used for electrical power generation and is connectable to an electrical grid, especially the effect of micro shortcuts can be analyzed and respected by the control unit.
  • the driveline comprises an active brake system to prevent a shut down or a disengagement activated by the release mechanism.
  • the active brake system is in data connection with the control unit.
  • control units are integrated into a central control unit.
  • data generated or collected by the control unit and/or power control unit and/or load control unit are transferred to a central control unit.
  • a remote access to the driveline especially to controllers of the drive line is possible. So an adjustment of the driveline can be initiated from remote.
  • control unit calculates an overload value and wherein when a predetermined power unit overload value is exceeded the control unit sends data to the power control unit and/or a load control unit and the output of the power unit and/or load is adjusted.
  • the power input by the power unit can be adjusted to maintain the uptime of the driveline. An individual adjustment per driveline is possible.
  • Figure 1 discloses a driveline 1 comprising torque limiting coupling 3.
  • the driveline 1 comprises a power unit 2 for driving an input shaft 16 of an input side 4 rotationally.
  • the input shaft 16 is connected with a torque limiting coupling 3.
  • torque limiting coupling torque is transferrable to an output shaft 18 of an output side 5.
  • the output shaft 18 is connected with a load 6.
  • the torque limiting coupling 3 comprises a first encoder 11.
  • the first encoder 11 is an impulse generator.
  • the encoder is read out by a first detector 12.
  • the signals read out by the first detector are transferred to a coupling control unit 26.
  • the first encoder 11 and the first detector 12 are parts of a first sensor 10.
  • the torque limiting coupling 3 comprises a first part torque proof connected to the input shaft 16.
  • a flange can be used for connection of the first part of the torque limiting coupling 3 .
  • the torque limiting coupling 3 comprises a second part torque proof connected with the output shaft 18.
  • a second encoder 21 of a second sensor 20 is torque proof connected with the second part of the torque limiting coupling 3.
  • a second detector 22 for reading out the second encoder 21 is in signal connection with the coupling control unit 26.
  • the connection can be wired or wireless.
  • the control unit 26 determines the angle position of the first part of the torque limiting coupling 3 based on the signals of the first sensor 10.
  • the coupling control unit determines the angle position of the second part of the torque limiting coupling 3.
  • the angle positions of the first part and the second part of the torque limiting coupling are determined for equal instants of time.
  • the difference of the determined angle positions at an instant of time detected by the first sensor 10 and the second sensor 20 is determined.
  • a determined difference correlates to a slippage within the torque limiting coupling 3.
  • Figure 2 discloses a driveline 1.
  • the driveline comprises a power unit.
  • the power unit 2 is connected with a gear 8.
  • the gear is used for transformation of rotational speed and torque.
  • the input shaft 16 on the input side 4 of the torque limiting coupling 3 is connected to the gear 8. So power of the power unit is transferrable over the gear to the input side 4 of the torque limiting coupling 3.
  • the torque limiting coupling 3 comprises an input part 17 torque proof connected with the input shaft 16 and a second part 19 torque proof connected to the output shaft 18.
  • a first encoder 11 is also used as additional encoder on the input side 14 assigned to the input shaft 16.
  • the first encoder is torque proof connected with the first part of the torque limiting coupling 17. It is also possible to arrange the first encoder 11 on the first part of the torque limiting coupling 17 and a separate additional encoder on the input side 14 on the input shaft 16, not shown.
  • a first detector 12 assigned to the first encoder 11 is arranged radial to read out the first encoder 11.
  • An additional detector on the input side 14 is arranged parallel to the input shaft 16. So the additional detector 15 is arranged axial to read out the first encoder 11.
  • An second encoder 21 of the second sensor 20 is arranged on the output shaft 18.
  • the output shaft 18 has a greater diameter than the input put shaft 16 or the outer diameter of the torque limiting coupling 3. It is possible to arrange the second encoder 21 directly on the outer diameter. The number of impulses per full circle can be different.
  • An additional sensor on the output side 23 is assigned to the output shaft18. In this case the additional sensor on the output side 23 comprises a additional detector 25 and an additional encoder 25 assigned to the output side.
  • the second encoder 21 as additional encoder on the output side 25. Because the angle position of the input side 4 and the angle position of the output side 5 are determined independent from each other it is possible to use encoders 11, 14, 21, 24 wherein impulses of the encoders are assigned to different angle dimensions.
  • first 11 or second encoder 21, and two detectors To be able to detect rotational direction one encoder, first 11 or second encoder 21, and two detectors, first detector 12 together with the additional detector input side15 or second detector 22 together with additional detector output side 25, on one side of the coupling are needed.
  • the detectors are preferably arranged with a 90 ° phase angle.
  • the two detectors can be integrated into a physical unit, named quadrature detectors.
  • Two separate encoders 21, 24, mounted on the same side, can also be used but then they need to be identical with the same amount of trigger points.
  • the second encoder 21 and second detector 22 on the output side 5 of the coupling 3 are needed. If the rotational direction of that output side should be detected individually, then two detectors, second 22 and additional detector 25 are needed also on the output side 5.
  • both the 1-marking and the 0-marking signal can be used as triggers in the coupling control unit 26.
  • the spacing between the 1-marking and the 0- marking is even. This makes the measured resolution twice as fine as the number of positive triggers, 1- markings, of the encoder. Thanks to this, the resolution in the slip angle detection is doubled.
  • the time between the pulses is half as long, meaning the coupling control unit 26, if needed, can take action sooner.
  • the encoder is asymmetrical, uneven spacing between the 1-marking and the 0-marking signals, then only one of the signals, 1-marking or 0-marking, can be used, giving only one signal per period.
  • the benefit of having two detectors per encoder arranged with a 90 ° phase angle is that the coupling control unit 26 receives twice the number of pulses at twice the frequency compared to only having one sensor per encoder. In case of a symmetrical encoder four trigger signals can be used per encoder period in the coupling control unit 26.
  • the detector and/or encoder can be mounted radial or axial to the shaft. Axial to the shaft is to mount it parallel to the shaft.
  • the encoder can be a separate part, like a disc or a tape.
  • the encoder can also be integrated in one of the coupling parts.
  • the load 6 is powered by the output shaft 18.
  • the coupling control 26 is in signal connection to the detectors 10, 13, 20 and 23.
  • the coupling control unit 26 comprises at least a transmitter 31.
  • the transmitter is able to send out data to a central control unit, not shown and/or to send out a trigger signal and/or data in respect of the determined slippage of the torque limiting coupling 3 to a control unit 27 of the power unit 2 and/or to a load control unit 29. So it is possible in the case to adjust the power unit 2 and/or the load 6 to reduce the number and/or duration of slippage events of the torque limiting coupling 3.
  • the load 6 has an output wherein a disconnector 40 is arranged in an output of the load 6.
  • a disconnector 40 is arranged in an output of the load 6.
  • the disconnector 40 it is possible to disconnect the driveline.
  • the load 6 is a generator to supply current into an electrical grid, it is possible to disconnect the generator from the grid and therewith the whole driveline from the grid. So in the case of disturbances from the side of the electrical grid, especially micro interruptions, or in the case of disturbances from the driveline itself, it is possible to disconnect the driveline from the electrical grid. Further it is possible to analyze the effect of disturbances from the side of the load or grid on the driveline 1.
  • a power unit 2 especially a gas turbine or a gas motor can be used.
  • Such drivelines can be used for stabilization of an electrical grid.
  • Figure 3 discloses a toothed wheel 45.
  • This toothed wheel 45 comprises the first encoder 11 in form of teeth 49 arranged in radial direction. Every tooth 49 is read out by a contactless working first detector 12 and additional detector 15.
  • a contactless working sensor a light sensitive detector or an inductive working detectors can be used. Further an inductive quadrature sensor can be used. Every tooth 49 is a 1- marking 51. The distances of the 0-marking 53 and the 1-marking 51 are equal.
  • the additional detector 15 is arranged in respect of the first detector 12 with a phase shift of 90°. So the direction of rotation is known by the sequence of the impulses detected by the first detector 12 and the additional detector 15.
  • the arrangement of the first, second and additional encoders together with the assigned detectors can be chosen under respect of the available space.
  • To arrange all encoders on the torque limiting coupling has the charm that the input side 4/ input shaft 16 and the output side 5/output shaft 18 is not affected.
  • To integrate the revolution counter marking 46 in at least one of the encoders 11, 14, 21, 24 the defined angle position can be determined in relation to the revolution counter marking. If the number of impulses per full revolution is known and the direction of rotation is known, the angle position of the other side can be also determined in respect to this revolution counter marking 46. In some cases a revolution counter marking 46 is assigned to both sides for simplification of the determination of the specific angle position of both sides for an instant of time.
  • the revolution counter marking 46 can be realized in an easy way. Because of mass gravity speed changes in such short time intervals are not possible. So by such a missing marking the angle position is uniquely defined.
  • Figure 4 discloses an alternative realization of encoders.
  • the stripe comprises markings which are read out by detectors, not shown, assigned to the encoder.
  • a magnetic or reflective structure can be used as an encoder 11, 14.
  • the stripe of figure 4 can be arranged on the outer circumference of one of the sides 4, 5 or parts 17, 19.
  • the encoders 11, 14 comprises a 1- marking 51 and a 0-marking 53, wherein the distances of the 1- marking 51 and the 0-marking 53 are uneven.
  • a temperature sensor arranged in or at the torque limiting coupling can be used for detection of slippage.
  • the temperature sensor is arranged in at least one of the friction surfaces. It is possible to trigger disengagement in dependence of the detected temperature.
  • Such a temperature sensor can be used additionally to the determination of the slip angle determined based on the angle position of the input side 4 and the output side 5.
  • the determination of fast oscillating slips based on the determined angle position of the input side and the output side is possible. Further the service intervals can be determined based on the slippage of the torque limiting coupling, wherein slippage in both directions influences the service interval and further actions like disengagement.
  • the allowed slip angle dynamically, for example to take under respect cooling effects or an active cooling.
  • an active reduction of the slip is possible by regulation and/or controlling of the power unit 2 and/or the load and/or an active brake.
  • the regulation or controlling can be realized by data connection directly or indirectly with coupling control unit 26.
  • the data and trigger signals can be transferred for example by the use of internet/SMS and further wireless data transfer.
  • the active control of slippage events a release of the torque limiting coupling or a disconnection of the driveline can be prevented.
  • the active control can be established online with a remote access or local.
  • An event detection can be established by determination of slip, over-speed of input side or output side, slip speed and slip direction. The results can be saved for analysis.
  • the limiting parameter of acceptable slip of the torque limiting coupling can be stored in the coupling control unit.
  • the rotational speed of the input side 4 and the output side 5 can be calculated based on the signals of at least the sensors 10 und 20. Further sensor signals of additional sensors 13 and 23 can be used.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Control Of Transmission Device (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
EP16164187.3A 2016-04-07 2016-04-07 Sicherheitskupplung Withdrawn EP3228895A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP16164187.3A EP3228895A1 (de) 2016-04-07 2016-04-07 Sicherheitskupplung
CN201780020438.8A CN108884884A (zh) 2016-04-07 2017-04-05 扭矩限制联轴器
US16/092,269 US20190203781A1 (en) 2016-04-07 2017-04-05 Torque limiting coupling
JP2018552772A JP2019510948A (ja) 2016-04-07 2017-04-05 トルク制限カップリング
PCT/EP2017/058096 WO2017174651A1 (en) 2016-04-07 2017-04-05 Torque limiting coupling
EP17714817.8A EP3440371B1 (de) 2016-04-07 2017-04-05 Kupplung mit drehmomentbegrenzung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16164187.3A EP3228895A1 (de) 2016-04-07 2016-04-07 Sicherheitskupplung

Publications (1)

Publication Number Publication Date
EP3228895A1 true EP3228895A1 (de) 2017-10-11

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP16164187.3A Withdrawn EP3228895A1 (de) 2016-04-07 2016-04-07 Sicherheitskupplung
EP17714817.8A Active EP3440371B1 (de) 2016-04-07 2017-04-05 Kupplung mit drehmomentbegrenzung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP17714817.8A Active EP3440371B1 (de) 2016-04-07 2017-04-05 Kupplung mit drehmomentbegrenzung

Country Status (5)

Country Link
US (1) US20190203781A1 (de)
EP (2) EP3228895A1 (de)
JP (1) JP2019510948A (de)
CN (1) CN108884884A (de)
WO (1) WO2017174651A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020063785A1 (zh) * 2018-09-28 2020-04-02 陈娟 一种智能安全联轴器及其工作方法
EP4008920A1 (de) 2020-12-03 2022-06-08 Voith Patent GmbH Drehmomentbegrenzungskupplung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN108884884A (zh) 2018-11-23
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EP3440371B1 (de) 2021-01-20
EP3440371A1 (de) 2019-02-13
WO2017174651A1 (en) 2017-10-12

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